关于jsp的一题

来源:百度知道 编辑:UC知道 时间:2024/06/01 13:50:03
现在创建bean的java源文件,下面是源代码
----------------------------------------
package tom.jiafei;
import java.io.*;
class FileName implements FilenameFilter
{public boolean accept(File dir,String name)
{boolean boo=false;
if(name.endsWith(".jpg")||name.endsWith(".JPG"))
boo=true;
return boo;
}
}
public class Play
{int imageNumber=0,max;
String pictureName[],playImage;
public Play()
{File dir=new File("F:/tomcat/apache-tomcat-5.5.28/webapps/test/image");
pictureName=dir.list(new FileName());
max=pictureName.length;
}
public void setImageNumber(int n)
{if(n<0)
n=max-1;
if(n==max)
n=0;
imageNumber=n;
}
public int getImageNumber()
{return imageNumber;}
public String getPlayImage()
{playImage=new String("<img src=image/"+pictureName[imageNumber]+" "+" width=200 height=200
></img>&q

playImage=new String("<img src=image/"+pictureName[imageNumber]+" "+" width=200 height=200
></img>");要注意缩进,字符串换行要用"(双引号)结束,并且使用+。
使用下面的试试:
playImage = new String("<img src=image/"
+ pictureName[imageNumber]
+" " + " width=200 height=200 ></img>");

playImage=new String("<img src=image/"+pictureName[imageNumber]+" "+" width=200 height=200
></img>");
把这句话写在同一行吧